#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
 typedef struct s
{
	int a;
	int b;
}arr;
arr s2 = { 4,5 };
 void test()
 {
	 arr* s3 = &s2;
	 s3->a = 1;
	 *(&(s2.a)) = 4;
	 s3->b = 2;
 }
int main()
{
	test();
	printf("%d %d", s2.a, s2.b);
	return 0;
}